1202020202019 has 192 divisors, whose sum is σ = 2205170013312. Its totient is φ = 574801920000.

The previous prime is 1202020202011. The next prime is 1202020202029. The reversal of 1202020202019 is 9102020202021.

It is a happy number.

It is not a de Polignac number, because 1202020202019 - 2³ = 1202020202011 is a prime.

It is a super-4 number, since 4×1202020202019⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1202020201986 and 1202020202004.

It is not an unprimeable number, because it can be changed into a prime (1202020202011) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 121398969 + ... + 121408869.

It is an arithmetic number, because the mean of its divisors is an integer number (11485260486).

Almost surely, 2^{1202020202019} is an apocalyptic number.

1202020202019 is a deficient number, since it is larger than the sum of its proper divisors (1003149811293).

1202020202019 is a wasteful number, since it uses less digits than its factorization.

1202020202019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086 (or 10079 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 1202020202019 in words is "one trillion, two hundred two billion, twenty million, two hundred two thousand, nineteen".